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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2006 Annual Hydrology Report <br />SM01 <br />Monitoring Well SM-1 <br />Depth - 55' <br />Top of Pipe Elevation - 7590' <br />Pipe 2.7' Above Ground <br />Initiated 8/2/1985 8/2/1985 <br />Activated <br />Date 11/30/2006 8/1912006 <br /> <br />Summary Information <br />Frel~1„ <br />Pafame!_l'Ets .v. Baseline Operafion <br />UNITS Min Ave Max Min Ave Max <br />Static Water Level ~ Feet 2.1 6.2 22.0 4.97 4.81 <br />Water Elevation Feet 7566.0 7583.8 7587.9 7585.03 7585.19 <br />Tem erature Celsius 6.0 9.6 14.7 7.2 9.7 <br />Conductivity umhos/cm 380 561 761 590 560 <br />pH su 7.2 7.7 8.2 7.8 7.6 <br />Field Comments <br />4ab <br />Parametefs- - <br />UNITS <br />Bicarbonate mg/L 202 321 380 265 278.88 <br />Carbonate mg/L <MDL 0.3 7 <MDL <MDL <br />Chlodde mg/L <MDL 8 23 <MDL 22.51 <br />Conductivity umhos/cm 580 633 724 596 723.69 <br />Hardness ~ m /L 173 255 1113 240.12 231.16 <br />H su 7.3 7.6 8.4 8.02 7.94 <br />ResitlueFilterable-TDB mg/L 340 378 456 377 458 <br />ResidueNonFillerable-TSS mg/L <MDL 20 96 5 15 <br />SAR 1.44 1.78 3.48 1.85 2.2 <br />Sulfate m /L 0.3 44.6 64.0 36.22 35.81 <br />Calcium Dissolved ~ m /L 46.7 67.4 186.0 67.6 85 <br />Magnesium (Dissolved) mg/L 9.0 21.2 158.0 17.32 16.72 <br />Sodium (Dissolved) ~, mg/L 49.0 84.3 267.0 54.4 76.9 <br />TDS Ratio ( rav./talc.) 0.86 1.01 1.17 0.86 0.92 <br />The area of concern for monitoring point SM01 has not been affected by the mining opereb"on. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Shallow monitoring wells SM-1 fhmugh SM-11 were constructed in 1985 in order ro gather additional information <br />on alluviaVcolluvial deposits within the permit boundary Theyare depicted on Map 4-1. <br />Baseline Information Cnllec[ion initiated on 8/2/85 antl not yet considered complete. <br />Point SMOt has not been influenced by mining. <br />Ground Water <br />Figure No. 16 <br />